It's a significant pay increase for Jackson, who earned $3.5 million last year. He was projected by mlbtraderumors.com to earn $5.3 million after hitting .272 with a .337 on-base percentage in 129 games last season.

Porcello, arbitration-eligible for the third time, was projected to make $7.7 million after earning $5.1 million last year. Coming off arguably his best season since his rookie campaign, Porcello went 13-8 with a 4.32 ERA and 1.28 WHIP in 32 appearances.

The Tigers entered Friday with six remaining arbitration-eligible players and a 1 p.m. deadline to exchange salary figures looming. The organization has never gone to arbitration with a player under general manager Dave Dombrowski.